Connelly and Associates Inc (DOT# 451421) – FMCSA Carrier Profile
DOT# 451421● Active
Updated: 2026-03-09
Connelly and Associates Inc is a registered motor carrier with the FMCSA under USDOT number 451421. The company operates from Frederick, MD and maintains an active operating status with 58 power units and 90 drivers on record.
Safety Rating
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Company Information
Address1513 Tilco Drive, Frederick, MD, 21704
Phone(301) 696-8820
Entity TypePrivate Property
OperationInterstate
Power Units58
Drivers90
MCS-150 FiledFebruary 20, 2026
Annual Mileage1,308,389 mi (2025)
Inspection Summary
All-time Inspections
All-time79
Total
18
OOS
3
Driver OOS
15
Vehicle OOS
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service.
BASICS Safety Scores
BASICS Scores
Higher = more risk · FMCSA Behavior Analysis and Safety Improvement Categories2.3
Unsafe Driving
0.0
HOS Compliance
0.5
Driver Fitness
0.0
Controlled Substances
2.4
Vehicle Maintenance
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Frequently Asked Questions
What is USDOT Number 451421?
USDOT number 451421 is assigned to Connelly and Associates Inc, an active motor carrier registered with the FMCSA, based in Frederick, MD.
How many inspections has Connelly and Associates Inc had?
Connelly and Associates Inc has recorded 79 total inspections with 18 out-of-service orders, representing an OOS rate of 22.78%.
Where is Connelly and Associates Inc located?
Connelly and Associates Inc is headquartered at 1513 Tilco Drive, Frederick, MD 21704.
Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 451421 · Last updated: 2026-03-09. View official FMCSA record →